Sourced from google.golang.org/grpc's releases.

Release 1.79.1

Bug Fixes

• grpc: Remove the -dev suffix from the User-Agent header. (grpc/grpc-go#8902)

Release 1.79.0

API Changes

• mem: Add experimental API SetDefaultBufferPool to change the default buffer pool. (#8806)
  • Special Thanks: @​vanja-p
• experimental/stats: Update MetricsRecorder to require embedding the new UnimplementedMetricsRecorder (a no-op struct) in all implementations for forward compatibility. (#8780)

Behavior Changes

• balancer/weightedtarget: Remove handling of Addresses and only handle Endpoints in resolver updates. (#8841)

New Features

• experimental/stats: Add support for asynchronous gauge metrics through the new AsyncMetricReporter and RegisterAsyncReporter APIs. (#8780)
• pickfirst: Add support for weighted random shuffling of endpoints, as described in gRFC A113.
  • This is enabled by default, and can be turned off using the environment variable GRPC_EXPERIMENTAL_PF_WEIGHTED_SHUFFLING. (#8864)
• xds: Implement :authority rewriting, as specified in gRFC A81. (#8779)
• balancer/randomsubsetting: Implement the random_subsetting LB policy, as specified in gRFC A68. (#8650)
  • Special Thanks: @​marek-szews

Bug Fixes

• credentials/tls: Fix a bug where the port was not stripped from the authority override before validation. (#8726)
  • Special Thanks: @​Atul1710
• xds/priority: Fix a bug causing delayed failover to lower-priority clusters when a higher-priority cluster is stuck in CONNECTING state. (#8813)
• health: Fix a bug where health checks failed for clients using legacy compression options (WithDecompressor or RPCDecompressor). (#8765)
  • Special Thanks: @​sanki92
• transport: Fix an issue where the HTTP/2 server could skip header size checks when terminating a stream early. (#8769)
  • Special Thanks: @​joybestourous
• server: Propagate status detail headers, if available, when terminating a stream during request header processing. (#8754)
  • Special Thanks: @​joybestourous

Performance Improvements

• credentials/alts: Optimize read buffer alignment to reduce copies. (#8791)
• mem: Optimize pooling and creation of buffer objects. (#8784)
• transport: Reduce slice re-allocations by reserving slice capacity. (#8797)

• 782f2de Change version to 1.79.1 (#8902)
• 850eccb Change version to 1.79.1-dev (#8851)
• 765ff05 Change version to 1.79.0 (#8850)
• 68804be Cherry pick #8864 to v1.79.x (#8896)
• 0381eb6 xds: Support :authority header rewriting for LOGICAL_DNS clusters (#8822)
• 90f571d xds: remove references to ResolverState.Addresses (#8841)
• 679565f xds: remove HashKey field from xdsresource.Endpoint struct (#8844)
• bb2073d mem: Allow overriding the default buffer pool. (#8806)
• bd4444a Fix flaky TestServer_RedundantUpdateSuppression. (#8839)
• 623b3f0 test: add regression test for RecvMsg() error shadowing #7510 (#8820)
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